Boston to San Diego flights
Round trip · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Boston → San Diego drops below your price.Cheapest dates in the next 4 months
Round trip, per person-
Oct 2 – 7 5 nights · leave Fri$314$314 Book
Alaska Airlines Nonstop · 6h 13m -
Oct 9 – 19 10 nights · leave Fri$407$407 Book
Alaska Airlines Nonstop · 6h 18m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in San Diego
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Plan the rest of your trip
San Diego · Oct 2 – 7Travel insurance · EKTA Airport transfer · Kiwitaxi
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Flights to San Diego from other cities
All flights to San Diego Flying the other way? San Diego to Boston from $304
Boston to San Diego: questions
How much is a flight from Boston to San Diego?
The cheapest round trip we have found right now is $314, leaving October 2 and returning October 7. Prices are per person, economy, in USD.
About this route
We track round-trip economy fares from Boston (United States) to San Diego (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $314, departing October 2 and returning October 7 on a nonstop flight. The cheapest month to fly in our data is October, from $314. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.